1

lib/main.dart

@@ -2,14 +2,17 @@
  * @Author: lbh
  * @Date: 2022-04-07 10:07:36
  * @LastEditors: lbh
- * @LastEditTime: 2022-04-08 12:05:00
+ * @LastEditTime: 2022-04-08 20:08:20
  * @Description: file content
  */
 
-import 'dart:html';
+import 'dart:developer';
 
 import 'package:flutter/material.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 import "./base/GlobalConfig.dart";
+import 'package:dio/dio.dart';
+import 'util/DioManager.dart';
 
 main() {
   runApp(const MyApp());
@@ -56,8 +59,8 @@ class _HomePageState extends State<HomePage> {
             backgroundColor: Colors.white,
             bottom: TabBar(
               labelColor: GlobalConfig.themeColor,
-              indicatorColor: GlobalConfig.themeColor,
-              unselectedLabelColor: GlobalConfig.fontColor,
+              indicatorColor: GlobalConfig.themeColor, //選中顏色
+              unselectedLabelColor: GlobalConfig.fontColor, // 未選中顏色
               tabs: [
                 Tab(
                   text: '全部',
@@ -92,24 +95,53 @@ class ListViewPage extends StatefulWidget {
 }
 
 class _ListViewPageState extends State<ListViewPage> {
+// 当前页数
+  int _page = 1;
+  // 页面数据
+  List _list = [];
+  // 是否还有
+  bool _hasMore = true;
+
+  void _getData() async {
+    if (this._hasMore) {
+      DioManager.getInstance().get(
+        '/calendar/otherFunction/getOnlineSpecialGoods', {},
+        //正常回调
+        (data) {
+          setState(() {
+            //更新UI等
+            print(data);
+          });
+        },
+        //错误回调
+        (error) {
+          print("网络异常，请稍后重试");
+        },
+      );
+    }
+  }
+
   // 下拉刷新
   Future<void> _onRefresh() async {
     print("下拉刷新");
     // 持续两秒
-    await Future.delayed(Duration(milliseconds: 2000), () {});
+    await Future.delayed(Duration(milliseconds: 2000), () {
+      _getData();
+    });
   }
 
   @override
   Widget build(BuildContext context) {
     return RefreshIndicator(
       child: ListView.builder(
+        itemCount: 10,
         // 上拉加载控制器
         itemBuilder: (context, index) {
-          Widget tip = const Text("");
-
-          return Column(
-            children: [
-              Container(
+          return InkWell(
+            onTap: () {
+              log("$index");
+            },
+            child: Container(
               margin: EdgeInsets.fromLTRB(10.0, 10.0, 10.0, 0.0),
               // color: Colors.white,
               decoration: BoxDecoration(
@@ -122,7 +154,7 @@ class _ListViewPageState extends State<ListViewPage> {
                       color: Colors.grey,
                       offset: Offset(0.0, 1.0), //阴影y轴偏移量
                       blurRadius: 2.0, //阴影模糊程度
-                          spreadRadius: 0 //阴影扩散程度
+                      spreadRadius: 0, //阴影扩散程度
                     )
                   ]),
               child: Column(
@@ -179,9 +211,6 @@ class _ListViewPageState extends State<ListViewPage> {
                 ],
               ),
             ),
-              // 加载提示
-              tip
-            ],
           );
         },
       ),

lib/util/dio.dart → lib/util/DioManager.dart

@@ -2,7 +2,7 @@
  * @Author: lbh
  * @Date: 2022-04-07 15:24:40
  * @LastEditors: lbh
- * @LastEditTime: 2022-04-07 16:05:11
+ * @LastEditTime: 2022-04-08 20:11:46
  * @Description: file content
  */
 import 'package:dio/dio.dart';
@@ -15,7 +15,19 @@ import '../base/GlobalConfig.dart';
  * 网络请求管理类
  */
 class DioManager {
+  //写一个单例
+  //在 Dart 里，带下划线开头的变量是私有变量
+  static DioManager _instance = DioManager();
+
+  static DioManager getInstance() {
+    if (_instance == null) {
+      _instance = DioManager();
+    }
+    return _instance;
+  }
+
   Dio dio = Dio();
+
   // 屬性要寫在這個裡面
   DioManager() {
     dio.options.headers = {"apptype": "7"};